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MathNet 2022-part-06 — 196 problems (EN–VI) Question 49

Math Olympiad Vault · MathNet 2022-part-06 — 196 problems (EN–VI)

Question 49

Sofiya and Marquis play a game by taking turns. They form a circle with $2023$ other people, and on each turn Sofiya or Marquis can remove one of their neighbors to the left or to the right from the circle. The person who removes the other player wins. If Sofiya starts, who has the winning strategy?